Mock-up antenna and coil system

Abstract

It is an object of the invention to address the above mentioned issues related to image quality and patient positioning. This object is achieved by a mock-up antenna configured to be used during radiation treatment delivery, wherein the radiation treatment is delivered based on a radiation treatment plan and wherein the radiation treatment plan is at least partly based on a planning magnetic resonance image. The mock-up antenna is substantially transparent to radiation and comprises connection means configured to allow a connection between the mock up antenna and a fixation means, which fixation means is configured to fixate a position of the mock-up antenna during radiation treatment and. The mock-up antenna further comprises an inner surface configured to be positioned towards a patient in a way such that is affects a position and/or orientation of the patient during radiation treatment delivery, wherein the inner surface has a shape substantially similar to a shape of a working magnetic resonance imaging antenna used during an acquisition of the planning magnetic resonance image.

The invention claimed is: 
     
       1. A method for using a kit comprising a working magnetic resonance imaging antenna, wherein the working magnetic resonance imaging antenna is configured to be used for magnetic resonance imaging, and a mock-up antenna, wherein the mock-up antenna is configured to be used during radiation treatment delivery, wherein the radiation treatment is delivered based on a radiation treatment plan, wherein the radiation treatment plan is at least partly based on a planning magnetic resonance image, wherein the planning magnetic resonance image is acquired prior to the radiation treatment, where a first kind of radiation is used during the radiation treatment, wherein a second kind of radiation is used during acquisition of the planning magnetic resonance image, wherein the second kind of radiation is radio frequency radiation, wherein the working magnetic resonance imaging antenna is used to acquire the planning magnetic resonance image prior to the radiation treatment and to affect patient positioning and/or orientation during the magnetic resonance imaging, where the working magnetic resonance imaging antenna comprises an inner surface to be positioned towards a patient in a way such that it affects or facilitates a position and/or orientation of the patient during the magnetic resonance imaging, wherein the mock-up antenna is used during the radiation treatment delivery to facilitate or affect patient positioning and/or orientation, where the mock-up antenna is substantially transparent to the first kind of radiation and comprises an inner surface to be positioned towards the patient in a way such that it affects or facilitates a position and/or orientation of the patient during the radiation treatment delivery reproducing the patient positioning and/or orientation during the magnetic resonance imaging. 
     
     
       2. The method of  claim 1 , wherein the inner surface of the mock-up antenna has a shape which is sufficiently similar to a shape of the working magnetic resonance imaging antenna used during the acquisition of the planning magnetic resonance image in order to facilitate or affect the position and/or orientation of the patient during radiation treatment delivery which reproduces the position and/or orientation of the patient during the acquisition of the planning magnetic resonance image. 
     
     
       3. The method of  claim 1 , wherein the mock-up antenna comprises a connector, wherein the connector is configured to allow a connection between the mock-up antenna and a fixation device, wherein the fixation device is configured to fixate a position of the mock-up antenna during the radiation treatment. 
     
     
       4. The method of  claim 1 , including positioning the inner surface of the mock-up antenna directly in contact with the patient during the radiation treatment and positioning the inner surface of the working antenna directly in contact with the patient during the acquisition of the planning magnetic resonance image. 
     
     
       5. The method of  claim 1 , including positioning a thermoweldable material between the inner surface of the mock-up antenna and the patient during the radiation treatment. 
     
     
       6. A mock-up antenna for a kit comprising a working magnetic resonance imaging antenna, wherein the working magnetic resonance imaging antenna is configured to be used for magnetic resonance imaging, and wherein the mock-up antenna is configured to be used during radiation treatment delivery, wherein the radiation treatment is delivered based on a radiation treatment plan, wherein the radiation treatment plan is at least partly based on a planning magnetic resonance image, wherein the planning magnetic resonance image is acquired prior to the radiation treatment, where a first kind of radiation is used during the radiation treatment, wherein a second kind of radiation is used during acquisition of the planning magnetic resonance image, wherein the second kind of radiation is radio frequency radiation, wherein the working magnetic resonance imaging antenna comprises an inner surface configured to be positioned towards a patient in a way such that it affects a position and/or orientation of the patient during the magnetic resonance imaging, wherein the mock-up antenna is substantially transparent to the first radiation and comprises an inner surface configured to be positioned towards the patient in a way such that it affects a position and/or orientation of the patient during the radiation treatment delivery reproducing the patient positioning and/or orientation during the prior magnetic resonance imaging. 
     
     
       7. The mock-up antenna of  claim 6 , wherein the mock-up antenna comprises a connector, wherein the connector is configured to allow a connection between the mock-up antenna and a fixation device, wherein the fixation device is configured to fixate a position of the mock-up antenna during the radiation treatment. 
     
     
       8. The mock-up antenna of  claim 7 , further comprising the fixation device, wherein the fixation device is connectable to the connector and is configured to position the mock-up antenna in a position relative to the patient during the radiation treatment delivery which reproduces a position of the working antenna used during the acquisition of the planning magnetic resonance image. 
     
     
       9. The mock-up antenna of  claim 6 , wherein a shape of the inner surface of the mock-up antenna is sufficiently similar to a shape of the inner surface of the working antenna used during the acquisition of the planning magnetic resonance image such that the position and/or orientation of the patient during the radiation treatment delivery reproduces the position and/or orientation of the patient during the acquisition of the planning magnetic resonance image. 
     
     
       10. The mock-up antenna of  claim 6 , wherein the inner surface of the mock-up antenna is configured to be directly in contact with the patient during the radiation treatment, and wherein the inner surface of the working antenna is configured to be directly in contact with the patient during the acquisition of the planning magnetic resonance image. 
     
     
       11. A kit comprising a working magnetic resonance imaging antenna configured to be used for magnetic resonance imaging and a mock-up antenna configured to be used during radiation treatment delivery, wherein the radiation treatment is delivered based on a radiation treatment plan, wherein the radiation treatment plan is at least partly based on a planning magnetic resonance image, wherein the planning magnetic resonance image is acquired prior to the radiation treatment, where a first kind of radiation is used during the radiation treatment, wherein a second kind of radiation is used during acquisition of the planning magnetic resonance image, wherein the second kind of radiation is radio frequency radiation, wherein the working magnetic resonance imaging antenna comprises an inner surface configured to be positioned towards a patient in a way such that it affects a position and/or orientation of the patient during the magnetic resonance imaging, wherein the mock-up antenna is substantially transparent to the first radiation and comprises an inner surface configured to be positioned towards the patient in a way such that it affects a position and/or orientation of the patient during the radiation treatment delivery reproducing the patient positioning and/or orientation during the magnetic resonance imaging. 
     
     
       12. The kit of  claim 11 , wherein a fixation device is connectable to the working antenna and configured to enable positioning of the mock-up antenna during the radiation treatment in a position which reproduces a position of the working magnetic resonance imaging antenna during the acquisition of the planning magnetic resonance image. 
     
     
       13. The kit of  claim 11 , wherein a shape of the inner surface of the mock-up antenna is sufficiently similar to a shape of the inner surface of the working magnetic resonance imaging antenna such that the position and/or orientation of the patient during the radiation treatment delivery reproduces the position and/or orientation of the patient during the acquisition of the planning magnetic resonance image. 
     
     
       14. The kit of  claim 11 , wherein the mock-up antenna comprises a connector, wherein the connector is configured to allow a connection between the mock-up antenna and a fixation device, wherein the fixation device is configured to fixate a position of the mock-up antenna during the radiation treatment. 
     
     
       15. The kit of  claim 14 , further comprising the fixation device connectable to the connector and configured to position the mock-up antenna during the radiation treatment in a position relative to the patient during the radiation treatment delivery which reproduces a position of the working antenna used during the acquisition of the planning magnetic resonance image. 
     
     
       16. The kit of  claim 11 , wherein the inner surface of the mock-up antenna is configured to be directly in contact with the patient during the radiation treatment, and wherein the inner surface of the working antenna is configured to be directly in contact with the patient during the acquisition of the planning magnetic resonance image. 
     
     
       17. The kit of  claim 11 , including a thermoweldable material, wherein the thermoweldable material is configured to be positioned between the inner surface of the mock-up antenna and the patient during the radiation treatment.